symposion_app/symposion/proposals/actions.py
Hiroshi Miura 3207621058 i18n all part
- forms for labels and helps
- views for success or warning messages
- apps and models verbose_names for admin

Signed-off-by: Hiroshi Miura <miurahr@linux.com>
2015-08-03 23:37:33 +09:00

38 lines
1.4 KiB
Python

import csv
from django.http import HttpResponse
from django.utils.translation import ugettext_lazy as _
def export_as_csv_action(description=None, fields=None, exclude=None,
header=True):
"""
This function returns an export csv action
'fields' and 'exclude' work like in Django ModelForm
'header' is whether or not to output the column names as the first row
"""
def export_as_csv(modeladmin, request, queryset):
"""
Generic csv export admin action.
based on http://djangosnippets.org/snippets/1697/
"""
opts = modeladmin.model._meta
if fields:
fieldset = set(fields)
field_names = fieldset
elif exclude:
excludeset = set(exclude)
field_names = field_names - excludeset
response = HttpResponse(content_type="text/csv")
response["Content-Disposition"] = "attachment; filename=%s.csv" % unicode(opts).replace(".", "_")
writer = csv.writer(response)
if header:
writer.writerow(list(field_names))
for obj in queryset:
writer.writerow(
[unicode(getattr(obj, field)).encode("utf-8", "replace") for field in field_names])
return response
if description is None:
description = _("Export selected objects as CSV file")
export_as_csv.short_description = description
return export_as_csv